| | Report (issue) | HANDBOOK 15 OF THE GEOLOGICAL SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA...AFRICA MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES by V.D.C Daltry HANDBOOK15... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria...request or consult the latest edition of the Catalogue of, publications of the Council for Geoscience (obtainable | | | Journal (article/letter/editorial) | grains in the Precambrian Witwatersrand conglomerate reefs are (Ir, Os, Ru) alloys. Osmium, iridosmine, osmiridium...filled with exsolutionlamellae of (Pt, Fe) alloy. Discrete grains of this alloy proved to be isoferroplatinumof...Sperrylite and isoferroplatinummake up 15 to 20 percent of the platinum-groupmineral grains and account for...rhodium sulfide and (Pt, Rh, Ru) alloy. Free grains of geversite,moncheite,sudburyite,and stibiopalladinite...partial or completealteration of (Ir, Os, Ru) alloys has resultedin mixtures of erlichmanite, irarsite, osarsite |
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